Home / 147,986.16-222,012.48-42,813.30

Finding the Fourth Proportional to 147,986.16, 222,012.48 and 42,813.30

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Solution

The fourth proportional to 147,986.16, 222,012.48 and 42,813.30 is: 64,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,986.16 : 222,012.48 = 42,813.30 : x
  2. Step 2: Convert to fraction form
    147,986.16/222,012.48 = 42,813.30/x
  3. Step 3: Cross multiply
    147,986.16x = 222,012.48 × 42,813.30
  4. Step 4: Simplify right side
    147,986.16x = 9,505,086,909.98
  5. Step 5: Solve for x
    x = 9,505,086,909.98/147,986.16
  6. Step 6: Final answer
    x = 64,229.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.